<!-- Logo -->
<a href="index2.html" class="logo">
  <!-- mini logo for sidebar mini 50x50 pixels -->
  <span class="logo-mini">平台</span>
  <!-- logo for regular state and mobile devices -->
  <span class="logo-lg">{:config('system.system_name')}</span>
</a>
<!-- Header Navbar: style can be found in header.less -->
<nav class="navbar navbar-static-top">
  <!-- Sidebar toggle button-->
  <a href="#" class="sidebar-toggle" data-toggle="push-menu" role="button">
    <span class="sr-only">Toggle navigation</span>
  </a>

  <div class="navbar-custom-menu">
    <ul class="nav navbar-nav">
      <li><a href="#">{:session('user_info')['realname']}</a></li>
      <li><a href="{:url('base/teacher/password')}">修改密码</a></li>
      <li><a href="{:url('base/login/logout')}">登出</a></li>
    </ul>
  </div>
</nav>
<style>
  .main-header .logo {
    font-size: 16px;
  }
</style>